Imagick::optimizeImageLayers

Description

boolImagick::optimizeImageLayers
( void
)

Compares each image the GIF disposed forms of the previous image
in the sequence. From this it attempts to select the smallest
cropped image to replace each frame, while preserving the results
of the animation.
This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.